Salesforce Getchannelmember Structure

{
  "type": "object",
  "name": "Getchannelmember",
  "properties": {
    "attributes": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string"
        },
        "url": {
          "type": "string"
        }
      },
      "required": [
        "type",
        "url"
      ]
    },
    "Id": {
      "type": "string"
    },
    "IsDeleted": {
      "type": "boolean"
    },
    "DeveloperName": {
      "type": "string"
    },
    "Language": {
      "type": "string"
    },
    "MasterLabel": {
      "type": "string"
    },
    "NamespacePrefix": {
      "type": "['string', 'null']"
    },
    "ManageableState": {
      "type": "string"
    },
    "CreatedDate": {
      "type": "string"
    },
    "CreatedById": {
      "type": "string"
    },
    "LastModifiedDate": {
      "type": "string"
    },
    "LastModifiedById": {
      "type": "string"
    },
    "SystemModstamp": {
      "type": "string"
    },
    "FullName": {
      "type": "string"
    },
    "Metadata": {
      "type": "object",
      "properties": {
        "enrichedFields": {
          "type": "array",
          "description": "",
          "items": {
            "type": "string"
          }
        },
        "eventChannel": {
          "type": "string"
        },
        "filterExpression": {
          "type": "['string', 'null']"
        },
        "selectedEntity": {
          "type": "string"
        },
        "urls": {
          "type": "['string', 'null']"
        }
      },
      "required": [
        "enrichedFields",
        "eventChannel",
        "filterExpression",
        "selectedEntity",
        "urls"
      ]
    },
    "EventChannel": {
      "type": "string"
    },
    "SelectedEntity": {
      "type": "string"
    },
    "FilterExpression": {
      "type": "['string', 'null']"
    }
  },
  "required": [
    "attributes",
    "Id",
    "IsDeleted",
    "DeveloperName",
    "Language",
    "MasterLabel",
    "NamespacePrefix",
    "ManageableState",
    "CreatedDate",
    "CreatedById",
    "LastModifiedDate",
    "LastModifiedById",
    "SystemModstamp",
    "FullName",
    "Metadata",
    "EventChannel",
    "SelectedEntity",
    "FilterExpression"
  ],
  "$schema": "https://json-structure.org/draft/2020-12/schema"
}